Beta Tools (Article# 90/S8) Set of 8 Double End, 12 Point Offset Box End Wrenches, Chrome-Plated - BT 900162Beta Tools (Article# 90 S8) Set of 8 Double End, 12 Point Offset Box End Wrenches, Chrome Plated BT 900162 An Offset Box Double End Wrench is a specialized hand tool designed with an offset angle, a box end on each of its two ends, and different sizes of box ends to accommodate various fastener sizes. Size included: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22 mm. Specifications: Finish: Chrome Plated Weight: 2. 2 lbs